cultellus

Latin

Diminutive of Latin culter (“knife”): culter +‎ -lus.

cultellus m (genitive cultellī); second declension

Dalmatian:
- cortial
Italo-Romance:
- Italian: coltello
- Neapolitan: curtiello, cortiello (alt. spelling)
- Sicilian: cuteddu
North Italian:
- Emilian: curtèl
- Istriot: curtielo
- Lombard: cortèl
- Piedmontese: cotèl, cortèl
- Romagnol: curtèl
- Romansch: cuntè, cunti, cuntel, curtè
- Venetan: cortèƚo, cortèl
  - → Aromanian: curtelã (possibly)
Gallo-Romance:
- Franco-Provençal: cutél
- Old French: coutel
  - French: couteau, ⇒ coutelas, coutellerie
    - → English: couteau, cutlass, cutlery
  - Champenois: couté, coutiau
  - Norman: coutel
Occitano-Romance:
- Aragonese: cuitiello (displaced by Castilian forms)
- Catalan: coltell, contell, coutell (dated, see ganivet)
- Occitan:
  Auvergnat: cotèl, cotelh
  
  Gascon: cotèth
  
  Languedocien: cotèl; cotèlh (southern)
  
  Limousin: coteu, cotèl
  
  Provençal: cotèu
  
  Vivaro-Alpine: coteu, cotel
West Iberian:
- Asturian: cuchiellu
- Leonese: cutiellu
- Old Galician-Portuguese: cuitelo, coitelo
  - Galician: coitelo
  - Portuguese: cutelo
- Old Spanish: cuchiello, cochiello, guchiello
  - Spanish: cuchillo (see there for further descendants)
  - → Aragonese: cuchiello, cochillo
Insular Romance:
- Sardinian: gorteddu, gurteddu, cultedhu, culteddu, boltedhu, bulteddu
Ancient borrowings:
- → Proto-Brythonic: *kullell
  - Breton: kontell
  - Cornish: kollel
  - Middle Welsh: kyllell
    - Welsh: cyllell

“cultellus”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
“cultellus”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
cultellus in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
cultellus in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.